duodecimo Meaning, Definition & Usage
Du`o*dec"i*mo adjective
Etymology
L.Definitions
Having twelve leaves to a sheet; as, a duodecimo from, book, leaf, size, etc.
Du*o*dec"i*mo noun
Wordforms
Definitions
A book consisting of sheets each of which is folded into twelve leaves; hence, indicating, more or less definitely, a size of a book; -- usually written 12mo or 12°.